package com.sann.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.aliyuncs.vod.model.v20170321.DeleteVideoResponse;
import com.sann.vod.service.VodService;
import com.sann.vod.util.ConstantVodPropertiesUtil;
import com.sann.vod.util.InitAliyunVodSDKUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {
    // 上传视频
    @Override
    public String uploadAliVideoStream(MultipartFile file) {
        try {
            //fileName：上传文件原始名称
            String fileName = file.getOriginalFilename();

            //title：上传阿里云后，后台展示时显示的名称
            String title = fileName.substring(0, fileName.lastIndexOf("."));

            //inputStream：上传文件输入流
            InputStream inputStream = file.getInputStream();

            UploadStreamRequest request = new UploadStreamRequest(ConstantVodPropertiesUtil.ACCESS_KEY_ID,
                    ConstantVodPropertiesUtil.ACCESS_KEY_SECRET, title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else {
                /*如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。
                 *   其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                 */
                videoId = response.getVideoId();
            }
            return videoId;
        }catch (Exception e){
            e.printStackTrace();
            return null;
        }
    }

    // 批量删除视频
    @Override
    public void batchDeleteVideo(List<String> videoIdList) throws ClientException{
        DefaultAcsClient client = InitAliyunVodSDKUtils.initVodClient(ConstantVodPropertiesUtil.ACCESS_KEY_ID,
                ConstantVodPropertiesUtil.ACCESS_KEY_SECRET);
        DeleteVideoRequest request = new DeleteVideoRequest();

        String videoIds = null;
        if (!CollectionUtils.isEmpty(videoIdList)) {
            videoIds = StringUtils.join(videoIdList, ",");
        }
        request.setVideoIds(videoIds);
        DeleteVideoResponse response = client.getAcsResponse(request);
    }

    // 删除单个视频
    @Override
    public DeleteVideoResponse deleteAliVideo(String videoId) throws ClientException {
        DefaultAcsClient client = InitAliyunVodSDKUtils.initVodClient(ConstantVodPropertiesUtil.ACCESS_KEY_ID,
                ConstantVodPropertiesUtil.ACCESS_KEY_SECRET);
        DeleteVideoRequest request = new DeleteVideoRequest();
        request.setVideoIds(videoId);
        DeleteVideoResponse response = client.getAcsResponse(request);
        return response;
    }


}
